package thread;

class Test{
    public int count=0;
    synchronized  public void add()
    {
        synchronized(this){
            count++;//同一种写法
        }
    }
    synchronized  public static void func()
    {
        synchronized(Test.class){//每个类都只有一个类对象(同一种写法)

        }

    }

}
public class ThreadDemo17 {
    public static void main(String[] args) throws InterruptedException {
        Test t=new Test();
        Thread t1=new Thread(()->{
            for(int i=0;i<50000;i++)
            {
                t.add();
            }
        });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++)
            {
                t.add();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("t.count:"+t.count);
    }
}
